Home / 10,382.57-15,566.31-4,140.71

Finding the Fourth Proportional to 10,382.57, 15,566.31 and 4,140.71

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Solution

The fourth proportional to 10,382.57, 15,566.31 and 4,140.71 is: 6,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.57 : 15,566.31 = 4,140.71 : x
  2. Step 2: Convert to fraction form
    10,382.57/15,566.31 = 4,140.71/x
  3. Step 3: Cross multiply
    10,382.57x = 15,566.31 × 4,140.71
  4. Step 4: Simplify right side
    10,382.57x = 64,455,556.02
  5. Step 5: Solve for x
    x = 64,455,556.02/10,382.57
  6. Step 6: Final answer
    x = 6,208.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.